Can Grade III Varicocele Affect Sperm Count, And How Can I Improve Semen Count And Motility?

Hi Doctor Semen Analysis Volume : 1.0 ml Appearance: Thin, Mucoid, Viscid, White Reaction : Alkaline Self Liquefaction Time : 20 min Total Spermatozoa Count : 12.0 Millions/ml Motility Active Motile : 20% Sluggish Motile : 30% Non-Motile : 50% pus Cell : 1-2 Epithelial Cells : 0-2 Left Side Grade III Varicocele Worried about Semen analysis, kindly provide me solution to improve Semen Count and Motility. whether Grade III Varicocele will be effect of my Sperm Count? Kindly Provide Solution